| abstract |
The invention relates to the field of medicinal chemistry and pharmacotherapeutics, in particular to a compound of a general formula I as an enterovirus protease inhibitor, which also has obvious inhibitory activity on coronavirus (SARS) main protease and can be used for treating related diseases. The invention also relates to a preparation method of the compounds, medicinal compositions of the compounds, medicinal salts, enantiomer forms, diastereoisomers and racemic compounds of the compounds. |